Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Terminal RenderingArea: what it touches
Internal ChangesKind: in v2.1.234,
Internal ChangesSection of the release
What
The helper that marks screen regions as non-selectable was split into a shared fill routine with wrappers for marking selectable and non-selectable, plus a new routine that copies a clipped mask rectangle between buffers row by row. That is what allows a selectable region nested inside a non-selectable one.
Evidence
noSelect
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
